CN110186645A - A kind of anti-drilling water-separation pipe floating drum region load test experimental rig of deep water - Google Patents
A kind of anti-drilling water-separation pipe floating drum region load test experimental rig of deep water Download PDFInfo
- Publication number
- CN110186645A CN110186645A CN201910520439.XA CN201910520439A CN110186645A CN 110186645 A CN110186645 A CN 110186645A CN 201910520439 A CN201910520439 A CN 201910520439A CN 110186645 A CN110186645 A CN 110186645A
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- water
- experimental rig
- water proof
- proof tube
- load test
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Abstract
The invention discloses a kind of anti-drilling water-separation pipe floating drum region load test experimental rigs of deep water.The experimental rig includes water proof tube model, buoy model and three component measuring devices；The top of water proof tube model is fixed with several buoy models；The top of water proof tube model connects near surface deviation device lower end model；The bottom of water proof tube model connects three component measuring devices；Three component measuring devices are fixed in base fixture；The outer wall of water proof tube model is equipped with several fiber optic measuring devices.Water proof tube model that the present invention uses meets the gravity theory of similarity, so that test model and test prototype have stronger similitude, it can be achieved that the similitude to marine riser principle is simulated.The three component instrument devices that the present invention uses can measure the drag of marine riser bottom end tension and pipeline under action of ocean current.Experimental rig of the present invention can be tested and be assessed from the hydrodynamic performance and the marine riser local stress load characteristic near floating drum for depositing anti-drilling water-separation pipe floating drum regional area of deep water under operating condition.
Description
Technical field
The present invention relates to a kind of anti-drilling water-separation pipe floating drum region load test experimental rigs of deep water, belong to offshore oil
Engineering equipment field.
Background technique
In deepwater drilling operation, when encountering bad weather or operating condition (such as typhoon, strong interior wave current), drilling platforms needs tight
It suddenly withdraws, guarantees the safety of personnel and equipment.It is that platform frees and recycles whole marine risers that currently used routine, which keeps away platform scheme,
After navigate by water to safety zone, after environmental condition permission after, marine riser, which needs to transfer again, restarts drillng operation.Such case
Efficiency is extremely low, will lead to non-activity duration growth to increase the cost of drilling well.It is to hang to withdraw to keep away that another, which keeps away platform scheme,
Platform.When encountering typhoon weather, platform recovery section marine riser, unrecovered marine riser hangs on platform, sets sail with platform one
Row is withdrawn to safety zone.Though this scheme extends the drillng operation time, security risk is high, and platform suspension marine riser is withdrawn
The speed of a ship or plane is difficult to improve, and navigation is withdrawn efficiency and is difficult to ensure.As drillng operation more moves towards deep water, the efficiency of drillng operation and
Security requirement improves, and conventional platform scheme of keeping away is difficult to meet the requirements, and it is long that the prior art needs to keep away platform elapsed time, improves brill
Well cost, it is possible to can cause to keep away due to factors such as typhoon forecast errors platform not as good as etc. safety problems.In order to effectively solve these
Problem, the novel research for keeping away platform scheme and test are particularly important.
In this context, a kind of anti-drilling water-separation pipe mode of novel deep water puts forward to realize and keep away platform.Deep water anti-
Drilling riser guard system installs floating drum and near surface deviation device in traditional marine riser middle section, it is possible to provide traditional drilling water-separation pipe
Repertoire, and can realize that floating drum lower end drilling water-separation pipe and drill ship (or platform) exist by near surface deviation device (NSDP)
It frees marine riser middle section.After freeing, floating drum lower end marine riser can be by the floating drum stick-up Yu Haiyang of top.Tight
Weight storm or in emergency circumstances, the device can reduce the time withdrawn to avoid whole drilling water-separation pipes are recycled.
From this section of marine marine riser, the also known as vertical drilling water-separation pipe of Free Station (FSDR) is stored in, mainly by marine riser,
It floating drum, near surface deviation device lower end, preventer (BOP), marine riser sealer (LMRP), underwater well head and leads
Guard system composition.Wave effect area and the area Gao Hailiu are avoided due to considering when spar design, the vertical water proof of typhoon period Free Station
Pipe can be stored in ocean certainly, keep away platform purpose to realize.
Summary of the invention
It is described the object of the present invention is to provide a kind of anti-drilling water-separation pipe floating drum region load test experimental rig of deep water
Experimental rig can be tested and be assessed from the hydrodynamic performance for depositing anti-drilling water-separation pipe floating drum regional area of deep water under operating condition and floated
Marine riser local stress load characteristic near cylinder.
Specifically, anti-drilling water-separation pipe floating drum region load test experimental rig of deep water provided by the present invention, including
Water proof tube model, buoy model and three component measuring devices；
The top of the water proof tube model is fixed with several buoy models；
The top of the water proof tube model connects near surface deviation device lower end model；
The bottom of the water proof tube model connects the three component measuring device；
The three component measuring device is fixed in base fixture；
The outer wall of the water proof tube model is equipped with several fiber optic measuring devices.
In load test experimental rig of the present invention, the buoy model be it is columnar structured, be made of solid buoyancy material,
Meet the requirement of geometric dimension/net buoyancy similitude with floating drum prototype, makes the whole section of water proof stayed in ocean using its buoyancy
Pipe stick-up.
In load test experimental rig of the present invention, near surface deviation device lower end model is also known as quick coupling female mould
Type keeps function similar to device prototype, mainly connects upper and lower ends marine riser in the marine riser normal drilling well phase, de- at anti-
It is disconnected from rear realization marine riser, lower end and the vertical standpipe of Free Station are retained in ocean, and upper end is withdrawn with platform.
In load test experimental rig of the present invention, the three component instrument device can measure water proof tube model bottom end tension
And horizontal direction component.
In load test experimental rig of the present invention, the buoy model is limited along the water proof tube model using limit plate
Axial movement.
In load test experimental rig of the present invention, the water proof tube model is heterogeneous compound tube model, and structure is as follows:
It is followed successively by lead rod, aluminum pipe, high density polyethylene pipe and organic glass sleeve from the inside to the outside, wherein the lead rod, institute
It states aluminum pipe and the high density polyethylene pipe successively coats, set between the organic glass sleeve and the high density polyethylene pipe
There is gap；
Water proof tube model i.e. of the present invention is the non-homogeneous multi-layer pipe cylindrical structure being made of four layers of different materials, wherein institute
It states lead rod and mainly meets weight in wet base requirement, the aluminum pipe mainly undertakes bending stiffness requirement, the high molecular polythene pipe consideration portion
Divide bending stiffness requirement, the single towing outer diameter of the organic glass sleeve main analog buoyancy, and meets weight in wet base requirement；With
In simulation Deep Water Drilling Riser, meet outer diameter/weight in wet base/bending stiffness similitude requirement with marine riser prototype；
The fiber optic measuring device is set on the high density polyethylene pipe outer wall according to setting position, can measure water proof
Strain of the tube model under water flow/wave action.
The organic glass sleeve be a hollow circular sleeve, can by inside and outside two layers of cylinder and both ends circle ring flat-plate bonding and
It is formed.
In load test experimental rig of the present invention, the organic glass sleeve is segmented setting, and adjacent described is had
Gap is equipped between machine glass sleeve, primarily to not increasing the bending stiffness of internal water proof tube model.
In load test experimental rig of the present invention, the three component measuring device is fixed by bolts in the bottom and fixes
On device, the base fixture is disk structure.
In load test experimental rig of the present invention, the bottom of the water proof tube model by pin and transit joint with it is described
Three component measuring devices are connected.
In load test experimental rig of the present invention, the base fixture is fixed on experimental tank by expansion bolt
It is interior；
It is equipped with current generating system and wave making system in the experimental tank, ocean current and wave can be simulated, thus to marine riser
Model applies hydrodynamic load.
When carrying out load test using experimental rig provided by the invention, it can carry out as steps described below:
1) the load test experimental rig is placed in experimental tank, and discharges water and floods the load test test dress
It sets；
2) bottom end tension under three component measuring device record hydrostatic state is utilized；
3) load (utilizing experimental tank, generate ocean current or wave) is applied to the load test experimental rig, utilized
The three component measuring device and the three component measuring device synchronous recording fiber data and three component data, through handling to obtain the final product
To anti-drilling water-separation pipe hydrodynamic performance of deep water and floating drum region marine riser local stress load characteristic.
Anti- drilling water-separation pipe floating drum region load test experimental rig of deep water of the present invention has the following beneficial effects:
(1) it is similar to meet gravity, it can be achieved that the similitude to marine riser principle is simulated for the water proof tube model that uses of the present invention
Theory, so that test model and test prototype have stronger similitude.
(2) three component instrument device of the present invention can measure marine riser bottom end tension and pipeline in action of ocean current
Under drag.
(3) optical measuring system of the present invention can be tested and be assessed deposits anti-drilling water-separation pipe of deep water under operating condition certainly
The hydrodynamic performance of floating drum regional area and the marine riser local stress load characteristic near floating drum, thus to Free Station vertical drilling
Application of the well marine riser in anti-provides important guiding.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of anti-drilling water-separation pipe floating drum region load test experimental rig of deep water of the present invention.
Fig. 2 is marine riser model in anti-drilling water-separation pipe floating drum region load test experimental rig of deep water of the present invention and floats
The schematic diagram of cylinder mould type profile.
Fig. 3 is marine riser model in anti-drilling water-separation pipe floating drum region load test experimental rig of deep water of the present invention and floats
The schematic diagram in cylinder mould type section.
Fig. 4 be anti-drilling water-separation pipe floating drum region load test experimental rig of deep water of the present invention in base fixture and
The schematic diagram of three component measuring devices.
It is respectively marked in figure as follows:
1 water proof tube model, 2 buoy models, 3 three component measuring devices, 4 base fixtures, 5 fiber optic measuring devices, 6 is close
Surface deviation device lower end model (quick coupling female), 7 experimental tanks, 8 lead rods, 9 aluminum pipes, 10 high density polyethylene pipes, 11
Organic glass sleeve, 12 limit plates, 13 transit joints.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, but the invention is not limited to following embodiments.
As Figure 1-Figure 4, anti-drilling water-separation pipe floating drum region load test experimental rig of deep water provided by the invention
Including water proof tube model 1, buoy model 2, three component measuring devices 3, base fixture 4, fiber optic measuring device 5, approximately level
Release unit lower end model (quick coupling female) 6.Wherein, as shown in Fig. 2, buoy model 2 limits its axis using limit plate 12
It is mounted on water proof tube model 1 to position.As shown in Figures 2 and 3, water proof tube model 1 is formed by four layers, internal 8/ aluminium of lead rod
9/ high density polyethylene pipe 10 of pipe is total to three-decker and is fitted close installation formation by size, and external organic glass sleeve 11 utilizes
Inside and outside two layers of cylinder and both ends circle ring flat-plate are bonded and the hollow circular form of sleeve of formation, mainly for meeting water proof tube model
Buoyancy and towing outer diameter requirement.Unlike internal three layers, external organic glass sleeve 11 is segmentation structure, every section
Between there are gaps, primarily to not increasing the bending stiffness of internal water proof tube model.
1 top of water proof tube model is connected near surface deviation device lower end model (quick coupling female) 6, in this test
Near surface deviation device lower end model (quick coupling female) 6 is applied in marine riser test model mainly as quality load.
Water proof tube model 1 installs buoy model 2 on the outside of top half, and the number of buoy model 2 is by the anti-bench drill well of deep water
Marine riser prototype is determined.
As shown in figure 4,1 bottom end of water proof tube model is connected using pin and transit joint 13 with three component measuring devices 3, it is real
Now it is rigidly connected.Three component measuring devices, 3 benefit is fixed by bolts in base fixture 4, and base fixture 4 utilizes expansion
Be bolted directly to 7 bottom of pond of experimental tank, current generating system and wave making system be equipped in experimental tank 7, can simulate ocean current and
Wave, to apply hydrodynamic load to water proof tube model 1.
As shown in Figures 2 and 3, fiber optic measuring device 5 is mounted on the outside of the polyethylene pipe of water proof tube model 1, measures water proof
The strain of tube model 1.
When being tested using experimental rig provided by the invention, it can carry out as steps described below:
Experimental rig is installed in experimental tank, pond, which discharges water, floods a whole set of experimental rig to certain depth.Utilize three
Component measuring device 3 records bottom end tension under hydrostatic state.Using experimental tank 7, ocean current or wave are generated, gives experimental rig
Apply load, synchronous recording fiber data and three component data, post-processing obtain anti-drilling water-separation pipe hydrodynamic force of deep water
It can be with floating drum region marine riser local stress load characteristic.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, it is all
It is any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention, still falls within
In the range of technical solution of the present invention.
Claims (8)
1. a kind of anti-drilling water-separation pipe floating drum region load test experimental rig of deep water, including water proof tube model, buoy model
With three component measuring devices；
The top of the water proof tube model is fixed with several buoy models；
The top of the water proof tube model connects near surface deviation device lower end model；
The bottom of the water proof tube model connects the three component measuring device；
The three component measuring device is fixed in base fixture；
The outer wall of the water proof tube model is equipped with several fiber optic measuring devices.
2. load test experimental rig according to claim 1, it is characterised in that: limit the floating drum mould using limit plate
Axial movement of the type along the water proof tube model.
3. load test experimental rig according to claim 1 or 2, it is characterised in that: the water proof tube model is non-equal
The compound tube model of matter, structure are as follows:
It is followed successively by lead rod, aluminum pipe, high density polyethylene pipe and organic glass sleeve from the inside to the outside, wherein the lead rod, the aluminium
Pipe and the high density polyethylene pipe successively coat, between being equipped between the organic glass sleeve and the high density polyethylene pipe
Gap；
The fiber optic measuring device is set on the high density polyethylene pipe outer wall.
4. load test experimental rig according to claim 3, it is characterised in that: the organic glass sleeve is segmented
Setting, and gap is equipped between the adjacent organic glass sleeve.
5. load test experimental rig described in any one of -4 according to claim 1, it is characterised in that: the three component measurement
Device is fixed by bolts in the base fixture.
6. load test experimental rig according to any one of claims 1-5, it is characterised in that: the water proof tube model
Bottom be connected by pin and transit joint with the three component measuring device.
7. load test experimental rig according to claim 1 to 6, it is characterised in that: the fixed dress in the bottom
It sets and is fixed in experimental tank by expansion bolt；
Current generating system and wave making system are equipped in the experimental tank.
8. a kind of anti-drilling water-separation pipe floating drum region load testing method of deep water, includes the following steps:
1) load test experimental rig described in any one of claim 1-7 is placed in experimental tank, and discharge water flood it is described
Load test experimental rig；
2) bottom end tension under three component measuring device record hydrostatic state is utilized；
3) load is applied to the load test experimental rig, utilizes the three component measuring device and three component measurement dress
Synchronous recording fiber data and three component data are set, obtains anti-drilling water-separation pipe hydrodynamic performance of deep water and floating drum through processing
Region marine riser local stress load characteristic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910520439.XA CN110186645B (en) | 2019-06-17 | 2019-06-17 | Test device for testing load of buoy region of deepwater anti-bench drilling marine riser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910520439.XA CN110186645B (en) | 2019-06-17 | 2019-06-17 | Test device for testing load of buoy region of deepwater anti-bench drilling marine riser |
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| CN110186645A true CN110186645A (en) | 2019-08-30 |
| CN110186645B CN110186645B (en) | 2020-12-01 |
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| CN201910520439.XA Active CN110186645B (en) | 2019-06-17 | 2019-06-17 | Test device for testing load of buoy region of deepwater anti-bench drilling marine riser |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110608945A (en) * | 2019-10-24 | 2019-12-24 | 上海海洋大学 | Hydrostatic pressure damage detection device and detection method for full-sea deep buoyancy material |
| CN115855675A (en) * | 2023-03-02 | 2023-03-28 | 江苏常友环保科技股份有限公司 | Offshore wind power platform buoy testing device |
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| CN110186645B (en) | 2020-12-01 |
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